Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic CU-XE9PKUA, CS-XE12PKUA 15.4.24 F96 IPM Overheating, Malfunction Decision Conditions

Models: CU-XE12PKUA CU-XE9PKUA CS-XE9PKUA CS-XE12PKUA

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15.4.24 F96 (IPM Overheating)

Malfunction Decision Conditions

During operating of cooling and heating, when IPM temperature data 212°F (100°C) is detected by the IPM temperature sensor.

Multi Models only

o Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated.

o Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data 194°F (90°C) is detected by the heat sink temperature sensor.

Malfunction Caused

IPM overheats due to short circuit of hot discharge air flow.

IPM overheats due to defective of outdoor fan motor.

IPM overheats due to defective of internal circuitry of IPM.

IPM overheats due to defective IPM temperature sensor. Multi Models Only

o Compressor OL connector poor contact. o Compressor OL faulty.

Troubleshooting

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Panasonic CU-XE9PKUA 15.4.24 F96 IPM Overheating, Malfunction Decision Conditions, Multi Models only, Malfunction Caused

Contents

Outdoor Unit Air ConditionerIndoor Unit CS-XE9PKUA18. Exploded View and Replacement Parts TABLE OF CONTENTS16. Disassembly and Assembly Instructions Location of Controls and Components1. Safety Precautions 21.After completion of installation or service, confirm there is no leakage or refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire Indoor 2. SpecificationsModel CS-XE9PKUAType Model IndoorCS-XE9PKUA CU-XE9PKUA Indoor Model Outdoor CS-XE12PKUACU-XE12PKUA Material Pipe Diameter Liquid / Gas šEasy to use remote control šQuality Improvement 3.FeaturesšLong Installation Piping šServiceability Improvement4.1Indoor Unit 4.2Outdoor Unit 4.3Remote Control 4. Location of Controls and Components5. Dimensions 5.1Indoor Unit5.2Outdoor Unit 6. Refrigeration Cycle Diagram 7. Block Diagram 8. Wiring Connection Diagram 8.1Indoor Unit8.2Outdoor Unit 9. Electronic Circuit Diagram 9.1Indoor Unit9.2Outdoor Unit 10.1 Indoor Unit 10.1.2Indicator Printed Circuit Board10. Printed Circuit Board 10.1.1Main Printed Circuit Board10.1.3Receiver Printed Circuit Board 10.1.4Comparator Printed Circuit Board10.1.5Human Activity Sensor Printed Circuit Board 10.2 Outdoor Unit 10.2.1Main Printed Circuit Board11.1 Select the Best Location 11. Installation Instruction11.1.3Indoor/Outdoor Unit Installation Diagram 11.1.1Indoor Unit11.2 Indoor Unit 11.2.2.2For the right bottom piping 11.2.2Indoor Unit Installation11.2.2.1For the right rear piping 11.2.2.3For the embedded pipingPage 11.2.3.1Wire Stripping and Connecting Requirement 11.2.3Connect the Cable to the Indoor Unit11.3.2.2Connecting the Piping to Outdoor 11.3.1Install the Outdoor Unit11.3.2.1Connecting the Piping to Indoor 11.3 Outdoor Unit11.3.3Evacuation of the Equipment 11.3.4Connect the Cable to the Outdoor Unit11.3.5Piping Insulation 11.3.5.1Cutting and flaring the piping12.1 Basic Function 12.1.1Internal Setting Temperature12. Operation Control 12.1.2Cooling Operation12.1.6Fan Operation 12.2 Indoor Fan Motor Operation12.1.5Automatic Operation 12.2.1Basic Rotation Speed rpm12.3 Outdoor Fan Motor Operation B. Feedback control12.4 Airflow Direction 12.4.1Vertical Airflow12.6 Quiet Operation Heating 12.4.2Horizontal Airflow12.8.1ON Timer Control 12.7 Powerful Mode Operation12.8 Timer Control 12.8.2OFF Timer Control12.12 AUTO COMFORT and ECONAVI Operation Disclaimer12.12.1.1 Signal Detection 12.12.1 Human Activity Sensor12.12.1.3 Human Position Analysis 12.12.1.8 Setting Temperature and Fan Speed Shift12.12.1.2 Information Log 12.12.1.4 Human Activity Level Judgment12.12.1.9 Rhythmic Temperature Wave Operation 12.12.1.10 ECONAVI and AUTO COMFORT Demo Mode 12.12.1.11 Human Activity Sensor Abnormality12.12.1.12 Human Activity Sensor Check Mode 13. Protection Control 13.1.1Restart Control Time Delay Safety Control13.1.3IPM Power transistor Prevention Control 13.1 Protection Control For All Operations13.1.4Compressor Overheating Prevention Control 13.1.6Low Frequency Protection Control13.1.7Low Frequency Protection Control 13.2.3Freeze Prevention Control 13.2.1Outdoor Air Temperature Control13.2.2Cooling Overload Control 13.2.4Freeze Prevention Control13.3 Protection Control For Heating Operation 13.3.1Intake Air Temperature Control13.3.2Outdoor Air Temperature Control 13.2.6Odor Cut Control14. Servicing Mode 14.1 Auto OFF/ON Button14.2.3RESET AC 14.2 Remote Control Button14.2.2RESET RC 14.2.4TIMER15. Troubleshooting Guide 15.1 Refrigeration Cycle SystemCondition of the 15.2 Breakdown Self Diagnosis Function 15.2.2To Make a DiagnosisDiagnosis 15.3 Error Codes TableProblem AbnormalityIndoor high pressure 15.4.1H11 Indoor/Outdoor Abnormal Communication Troubleshooting15.4 Self-diagnosisMethod Malfunction Decision ConditionsMalfunction Decision Conditions 15.4.2H12 Indoor/Outdoor Capacity Rank MismatchedTroubleshooting Malfunction CausedTroubleshooting šFaulty connector connection šFaulty sensoršFaulty PCB Malfunction Decision ConditionsTroubleshooting šFaulty connector connection šFaulty sensoršFaulty PCB Malfunction Decision ConditionsMalfunction Decision Conditions 15.4.5H16 Outdoor Current TransformerTroubleshooting Malfunction CausedMalfunction Caused TroubleshootingMalfunction Decision Conditions šOperation stops due to Hall IC malfunctionTroubleshooting šFaulty connector connection šFaulty sensoršFaulty PCB Malfunction Decision ConditionsTroubleshooting šFaulty connector connection šFaulty sensoršFaulty PCB Malfunction Decision ConditionsTroubleshooting šFaulty connector connection šFaulty sensoršFaulty PCB Malfunction Decision ConditionsTroubleshooting šFaulty connector connection šFaulty sensoršFaulty PCB Malfunction Decision ConditionsTroubleshooting šFaulty connector connection šFaulty sensoršFaulty PCB Malfunction Decision ConditionsMalfunction Caused TroubleshootingMalfunction Decision Conditions šWrong models interconnectedšFaulty PCB 15.4.13 H36 Outdoor Gas Pipe Sensor AbnormalityšFaulty connector connection šFaulty sensor TroubleshootingTroubleshooting šFaulty connector connection šFaulty sensoršFaulty PCB Malfunction Decision ConditionsMalfunction Caused TroubleshootingMalfunction Decision Conditions šOperation stops due to Hall IC malfunctionMalfunction Caused TroubleshootingMalfunction Decision Conditions šIndoor heat exchanger thermistorTroubleshooting Malfunction Decision ConditionsMalfunction Caused Malfunction Decision Conditions 15.4.18 F11 4-wayValve Switching FailureTroubleshooting Malfunction CausedMalfunction Decision Conditions RemarkTroubleshooting Malfunction CausedMalfunction Decision Conditions 15.4.20 F90 Power Factor Correction ProtectionTroubleshooting Malfunction CausedMalfunction Decision Conditions 15.4.21 F91 Refrigeration Cycle AbnormalityTroubleshooting Malfunction CausedTroubleshooting 15.4.22 F93 Compressor Rotation FailurešFaulty Outdoor PCB šFaulty compressor Malfunction Decision ConditionsMalfunction Decision Conditions šDuring operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistorTroubleshooting Malfunction CausedMalfunction Decision Conditions 15.4.24 F96 IPM OverheatingTroubleshooting Multi Models onlyšFaulty outdoor unit PCB šFaulty compressor 15.4.25 F97 Compressor OverheatingšFaulty compressor tank temperature sensor TroubleshootingTroubleshooting 15.4.26 F98 Input Over Current DetectionšExcessive refrigerant šFaulty outdoor unit PCB Malfunction Decision ConditionsMalfunction Decision Conditions 15.4.27 F99 DC Peak DetectionTroubleshooting Malfunction Caused16. Disassembly and Assembly Instructions 16.1.1To remove front grille16.1.2To remove electronic controller 16.1.3To remove discharge grille Figure16.1.4To remove control board FigureFigure Figure Figure Figure 1 Remove the 4 screws of the Top Panel 17. Technical Data 17.1 Operation Characteristics17.1.1CS-XE9PKUA CU-XE9PKUA šPiping Length Characteristic Remote condition: High fan speed Comp. Hz: FcšHeating Characteristic Remote condition: High fan speed Comp. Hz: FhOutdoor temperature 47F 8C DBT, 43F 6C WBT šPiping Length CharacteristicCondition Indoor temperature: 68F 20C DBT Remote condition High fan speed Comp. Hz Fh17.1.2CS-XE12PKUA CU-XE12PKUA šCooling CharacteristicRemote condition: High fan speed Comp. Hz: Fc šPiping Length Characteristic Remote condition: High fan speed Comp. Hz: FcšHeating Characteristic Remote condition High fan speed Comp. Hz FhOutdoor temperature: 47F 8C DBT, 43F 6C WBT šPiping Length CharacteristicCondition Indoor temperature: 68F 20C DBT Remote condition: High fan speed Comp. Hz: Fh17.2 Sensible Capacity Chart šCU-XE9PKUAšCU-XE12PKUA 18. Exploded View and Replacement Parts List 18.1 Indoor Unit18.1.1CS-XE9PKUA CS-XE12PKUA PART NAME & DESCRIPTION SAFETYREF. NO CS-XE9PKUAšAll parts are supplied from PAPAMY, Malaysia Vendor Code: 18.2 Outdoor Unit CU-XE9PKUA SAFETY REF. NOPART NAME & DESCRIPTION CU-XE12PKUAPrinted in Malaysia FY0513-0